.
Thread 5 (LWP 10179):
#0  0x00007fd9e1d3ee8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd9d257a861 in poll (__timeout=-1, __nfds=3, __fds=0x7fd9bc006c60) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
No locals.
#2  poll_func (ufds=0x7fd9bc006c60, nfds=3, timeout=-1, userdata=0x55e3500111d0) at pulse/thread-mainloop.c:69
        mutex = 0x55e3500111d0
#3  0x00007fd9d256be11 in pa_mainloop_poll (m=m@entry=0x55e35002baa0) at pulse/mainloop.c:844
        __func__ = "pa_mainloop_poll"
        __PRETTY_FUNCTION__ = "pa_mainloop_poll"
#4  0x00007fd9d256c4ae in pa_mainloop_iterate (m=0x55e35002baa0, block=<optimized out>, retval=0x0) at pulse/mainloop.c:926
        r = 0
#5  0x00007fd9d256c560 in pa_mainloop_run (m=0x55e35002baa0, retval=retval@entry=0x0) at pulse/mainloop.c:944
        r = <optimized out>
#6  0x00007fd9d257a7a9 in thread (userdata=0x55e35002ba60) at pulse/thread-mainloop.c:100
        m = 0x55e35002ba60
        mask = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
        prev_mask = {__val = {0, 0, 0, 0, 0, 4278190080, 0, 0, 4134639144131703094, 8466029961905976880, 0, 0, 7959393463617218926, 3472608956054205743, 0, 0}}
        sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 0, 0, 0, 0, 0, 0, 0, 30, 140573496482560, 0, 31, 140573496485632, 140573496485632, 0, 94434788293216}}, sa_flags = 0, sa_restorer = 0x0}
#7  0x00007fd9d2112078 in internal_thread_func (userdata=0x55e34ffa77b0) at pulsecore/thread-posix.c:81
        t = 0x55e34ffa77b0
#8  0x00007fd9e1a2e6fa in start_thread (arg=0x7fd9d152a700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fd9d152a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140573496485632, -8817430936604645172, 0, 140726233583807, 140573496486336, 0, 8795974148785694924, 8796077639335536844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x00007fd9e1d4ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (LWP 4737):
#0  0x00007fd9e1d3ee8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd9e30db41c in g_main_context_iterate.isra () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd9e30db52c in g_main_context_iteration () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd9d801041d in dconf_gdbus_worker_thread (user_data=0x55e34fe6c4e0) at dconf-gdbus-thread.c:82
        context = 0x55e34fe6c4e0
#4  0x00007fd9e3101d75 in g_thread_proxy () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd9e1a2e6fa in start_thread (arg=0x7fd9d3dcd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fd9d3dcd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140573539096320, -8817430936604645172, 0, 140726233583455, 140573539097024, 94434786460896, 8795977565969049804, 8796077639335536844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd9e1d4ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (LWP 4736):
#0  0x00007fd9e1d3ee8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd9e30db41c in g_main_context_iterate.isra () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd9e30db7a2 in g_main_loop_run () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd9e451b286 in gdbus_shared_thread_func () from /tmp/apport_sandbox_QG6BeY/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fd9e3101d75 in g_thread_proxy () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd9e1a2e6fa in start_thread (arg=0x7fd9d8a16700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fd9d8a16700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140573619087104, -8817430936604645172, 0, 140726233580543, 140573619087808, 94434785486944, 8795952306729511116, 8796077639335536844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd9e1d4ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (LWP 4735):
#0  0x00007fd9e1d3ee8d in poll () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007fd9e30db41c in g_main_context_iterate.isra () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd9e30db52c in g_main_context_iteration () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd9e30db569 in glib_worker_main () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd9e3101d75 in g_thread_proxy () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd9e1a2e6fa in start_thread (arg=0x7fd9d9217700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fd9d9217700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140573627479808, -8817430936604645172, 0, 140726233580191, 140573627480512, 0, 8795955606875007180, 8796077639335536844}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fd9e1d4ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (LWP 4734):
#0  malloc_consolidate (av=av@entry=0x7fd9e2007b20 <main_arena>) at malloc.c:4168
        fb = 0x7fd9e2007b38 <main_arena+24>
        maxfb = 0x7fd9e2007b70 <main_arena+80>
        p = 0x55e3ffffffff
        nextp = <optimized out>
        unsorted_bin = 0x7fd9e2007b78 <main_arena+88>
        first_unsorted = <optimized out>
        nextchunk = <optimized out>
        size = <optimized out>
        nextsize = <optimized out>
        prevsize = <optimized out>
        nextinuse = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
#1  0x00007fd9e1cc555e in _int_malloc (av=av@entry=0x7fd9e2007b20 <main_arena>, bytes=bytes@entry=1440) at malloc.c:3451
        nb = 1456
        idx = 70
        bin = <optimized out>
        victim = <optimized out>
        size = <optimized out>
        victim_index = <optimized out>
        remainder = <optimized out>
        remainder_size = <optimized out>
        block = <optimized out>
        bit = <optimized out>
        map = <optimized out>
        fwd = <optimized out>
        bck = <optimized out>
        errstr = 0x0
        __func__ = "_int_malloc"
#2  0x00007fd9e1cc75a4 in __GI___libc_malloc (bytes=bytes@entry=1440) at malloc.c:2914
        ar_ptr = 0x7fd9e2007b20 <main_arena>
        victim = <optimized out>
        hook = <optimized out>
#3  0x00007fd9e275f3b4 in XQueryTree (dpy=0x55e34fd2d000, w=<optimized out>, root=root@entry=0x7ffd6129cff8, parent=parent@entry=0x7ffd6129d000, children=children@entry=0x7ffd6129d008, nchildren=nchildren@entry=0x7ffd6129cff4) at ../../src/QuTree.c:55
        nbytes = 1440
        rep = {type = 1 '\001', pad1 = 0 '\000', sequenceNumber = 62608, length = 180, root = 214, parent = 0, nChildren = 180, pad2 = 0, pad3 = 0, pad4 = 0, pad5 = 0}
        req = <optimized out>
#4  0x000055e34e917524 in raise_window_relative_to_managed_windows (screen=0x55e34fe28610, screen=0x55e34fe28610, xwindow=<optimized out>) at core/stack.c:969
        ignored2 = 94434786065152
        n_children = 1
        i = <optimized out>
        ignored1 = 140573794075244
        children = 0x0
#5  stack_sync_to_server (stack=0x55e34fe8ae10) at core/stack.c:1165
        new_stack = 0x55e3500f17d0
        newp = 0x55e3500f17d0
        old_end = 0x55e350137050
        last_window = 0
        old_stack = <optimized out>
        oldp = 0x55e350137000
        new_end = 0x55e3500f1820
        stacked = 0x55e350038a10
        root_children_stacked = 0x55e350039780
        tmp = <optimized out>
#6  0x000055e34e9179b9 in stack_sync_to_server (stack=<optimized out>) at core/stack.c:188
No locals.
#7  meta_stack_raise (stack=<optimized out>, window=window@entry=0x55e34fea63d0) at core/stack.c:187
No locals.
#8  0x000055e34e920ed8 in meta_window_raise (window=0x0, window@entry=0x55e34fea63d0) at core/window.c:4572
No locals.
#9  0x000055e34e900285 in event_callback (event=0x7ffd6129d2f0, data=0x55e34ffa9c00) at core/display.c:2079
        window = <optimized out>
        property_for_window = <optimized out>
        display = 0x55e34ffa9c00
        frame_was_receiver = 0
        filter_out_event = 0
#10 0x000055e34e943475 in filter_func (xevent=0x7ffd6129d2f0, event=<optimized out>, data=<optimized out>) at ui/ui.c:281
No locals.
#11 0x00007fd9e53ccc81 in gdk_event_apply_filters (xevent=xevent@entry=0x7ffd6129d2f0, event=event@entry=0x55e350065130, window=window@entry=0x0) at /build/gtk+3.0-hEt8eK/gtk+3.0-3.18.9/./gdk/x11/gdkeventsource.c:81
        filter = 0x55e34fe012b0
        node = <optimized out>
        tmp_list = 0x55e34fe8b7a0
        result = <optimized out>
#12 0x00007fd9e53cd27e in gdk_event_source_translate_event (xevent=0x7ffd6129d2f0, event_source=0x55e34fd28740) at /build/gtk+3.0-hEt8eK/gtk+3.0-3.18.9/./gdk/x11/gdkeventsource.c:200
        dpy = 0x55e34fd2d000
        event = 0x55e350065130
        result = GDK_FILTER_CONTINUE
        event_translator = 0x0
#13 _gdk_x11_display_queue_events (display=0x55e34fd39020) at /build/gtk+3.0-hEt8eK/gtk+3.0-3.18.9/./gdk/x11/gdkeventsource.c:343
        xevent = {type = 7, xany = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087}, xkey = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, root = 214, subwindow = 14680125, time = 36439055, x = 757, y = 1, x_root = 757, y_root = 745, state = 0, keycode = 4, same_screen = 1}, xbutton = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, root = 214, subwindow = 14680125, time = 36439055, x = 757, y = 1, x_root = 757, y_root = 745, state = 0, button = 4, same_screen = 1}, xmotion = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, root = 214, subwindow = 14680125, time = 36439055, x = 757, y = 1, x_root = 757, y_root = 745, state = 0, is_hint = 4 '\004', same_screen = 1}, xcrossing = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, root = 214, subwindow = 14680125, time = 36439055, x = 757, y = 1, x_root = 757, y_root = 745, mode = 0, detail = 4, same_screen = 1, focus = 0, state = 16}, xfocus = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, mode = 214, detail = 0}, xexpose = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, x = 214, y = 0, width = 14680125, height = 0, count = 36439055}, xgraphicsexpose = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, drawable = 14680087, x = 214, y = 0, width = 14680125, height = 0, count = 36439055, major_code = 0, minor_code = 757}, xnoexpose = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, drawable = 14680087, major_code = 214, minor_code = 0}, xvisibility = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, state = 214}, xcreatewindow = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, parent = 14680087, window = 214, x = 14680125, y = 0, width = 36439055, height = 0, border_width = 757, override_redirect = 1}, xdestroywindow = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214}, xunmap = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214, from_configure = 14680125}, xmap = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214, override_redirect = 14680125}, xmaprequest = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, parent = 14680087, window = 214}, xreparent = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214, parent = 14680125, x = 36439055, y = 0, override_redirect = 757}, xconfigure = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214, x = 14680125, y = 0, width = 36439055, height = 0, border_width = 757, above = 3199750636277, override_redirect = 0}, xgravity = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214, x = 14680125, y = 0}, xresizerequest = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, width = 214, height = 0}, xconfigurerequest = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, parent = 14680087, window = 214, x = 14680125, y = 0, width = 36439055, height = 0, border_width = 757, above = 3199750636277, detail = 0, value_mask = 1}, xcirculate = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, event = 14680087, window = 214, place = 14680125}, xcirculaterequest = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, parent = 14680087, window = 214, place = 14680125}, xproperty = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, atom = 214, time = 14680125, state = 36439055}, xselectionclear = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, selection = 214, time = 14680125}, xselectionrequest = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, owner = 14680087, requestor = 214, selection = 14680125, target = 36439055, property = 4294968053, time = 3199750636277}, xselection = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, requestor = 14680087, selection = 214, target = 14680125, property = 36439055, time = 4294968053}, xcolormap = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, colormap = 214, new = 14680125, state = 0}, xclient = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, message_type = 214, format = 14680125, data = {b = "\017\004,\002\000\000\000\000\365\002\000\000\001\000\000\000\365\002\000", s = {1039, 556, 0, 0, 757, 0, 1, 0, 757, 0}, l = {36439055, 4294968053, 3199750636277, 17179869184, 1}}}, xmapping = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, request = 214, first_keycode = 0, count = 14680125}, xerror = {type = 7, display = 0xe22f48f, resourceid = 0, serial = 94434785153024, error_code = 23 '\027', request_code = 0 '\000', minor_code = 224 '\340'}, xkeymap = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, window = 14680087, key_vector = "\326\000\000\000\000\000\000\000=\000\340\000\000\000\000\000\017\004,\002\000\000\000\000\365\002\000\000\001\000\000"}, xgeneric = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, extension = 14680087, evtype = 0}, xcookie = {type = 7, serial = 237171855, send_event = 0, display = 0x55e34fd2d000, extension = 14680087, evtype = 0, cookie = 214, data = 0xe0003d}, pad = {140569984630791, 237171855, 0, 94434785153024, 14680087, 214, 14680125, 36439055, 4294968053, 3199750636277, 17179869184, 1, -180850434200567792, -10737993771078484, -21475987533406498, -781895536381623678, 6485183466836790027, 1441151881630973952, 67108864, 0, 0, 0, 72057594037927936, 1873497445120344064}}
        xdisplay = 0x55e34fd2d000
        event_source = 0x55e34fd28740
        display_x11 = 0x55e34fd39020
#14 0x00007fd9e539f069 in gdk_display_get_event (display=display@entry=0x55e34fd39020) at /build/gtk+3.0-hEt8eK/gtk+3.0-3.18.9/./gdk/gdkdisplay.c:340
        __func__ = "gdk_display_get_event"
#15 0x00007fd9e53ccd02 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/gtk+3.0-hEt8eK/gtk+3.0-3.18.9/./gdk/x11/gdkeventsource.c:365
        display = 0x55e34fd39020
        event = <optimized out>
#16 0x00007fd9e30db227 in g_main_context_dispatch () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#17 0x00007fd9e30db480 in g_main_context_iterate.isra () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007fd9e30db7a2 in g_main_loop_run () from /tmp/apport_sandbox_QG6BeY/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x000055e34e8ef5d7 in main (argc=1, argv=0x7ffd6129dbb8) at core/main.c:579
        act = {__sigaction_handler = {sa_handler = 0x55e34e90c1e0 <sigterm_handler>, sa_sigaction = 0x55e34e90c1e0 <sigterm_handler>}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x7fd9e1c54ff8}
        empty_mask = {__val = {0 <repeats 16 times>}}
        meta_args = {save_file = 0x0, display_name = 0x0, client_id = 0x55e34fe85150 ":0", replace_wm = 0, disable_sm = 0, print_version = <optimized out>, sync = <optimized out>, composite = <optimized out>, no_composite = <optimized out>, no_force_fullscreen = <optimized out>}
        log_domains = {0x0, 0x55e34e94d736 "marco", 0x55e34e94b1d8 "Gtk", 0x55e34e94b1dc "Gdk", 0x55e34e94b1e0 "GLib", 0x55e34e94b1e5 "Pango", 0x55e34e94b1eb "GLib-GObject", 0x55e34e94b1f8 "GThread"}
        i = <optimized out>
        channel = <optimized out>